| Llantwit Major to Medford (New York) | 3,278.84 mi (5,276.79 km) |
| Llantwit Major to Medford (Oregon) | 5,011.44 mi (8,065.13 km) |
| Llantwit Major to Medina (Ohio) | 3,627.82 mi (5,838.41 km) |
| Llantwit Major to Medulla (Florida) | 4,253.75 mi (6,845.75 km) |
| Llantwit Major to Mehlville (Missouri) | 4,083.69 mi (6,572.07 km) |
| Llantwit Major to Melbourne (Florida) | 4,189.99 mi (6,743.14 km) |
| Llantwit Major to Melissa (Texas) | 4,585.21 mi (7,379.18 km) |
| Llantwit Major to Melrose (Massachusetts) | 3,131.64 mi (5,039.88 km) |
| Llantwit Major to Melrose Park (Illinois) | 3,829.91 mi (6,163.65 km) |
| Llantwit Major to Melville (New York) | 3,298.04 mi (5,307.68 km) |
| Llantwit Major to Melvindale (Michigan) | 3,629.63 mi (5,841.32 km) |
| Llantwit Major to Memphis (Florida) | 4,298.68 mi (6,918.06 km) |
| Llantwit Major to Memphis (Tennessee) | 4,233.07 mi (6,812.46 km) |
| Llantwit Major to Menasha (Wisconsin) | 3,747.78 mi (6,031.47 km) |
| Llantwit Major to Mendota (California) | 5,252.55 mi (8,453.16 km) |
